<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, Jan 25, 2017 at 9:37 AM, spike <span dir="ltr"><<a target="_blank" href="mailto:spike66@att.net">spike66@att.net</a>></span> wrote:<br><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">But I am convinced the way to build big space structures is to mine and refine a metallic asteroid</blockquote></div><br></div><div class="gmail_extra">10,000-kilometer wide space structures can be made from bubbles that cure when exposed to UV:<br><a href="http://www.niac.usra.edu/files/library/meetings/fellows/mar07/1314Crowe.pdf">http://www.niac.usra.edu/files/library/meetings/fellows/mar07/1314Crowe.pdf</a><br></div><div class="gmail_extra"><br><div class="gmail_signature">- Bryan<br><a target="_blank" href="http://heybryan.org/">http://heybryan.org/</a><br>1 512 203 0507</div>
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